专注镀锌钢产品加工销售！
可按客户需求定制加工
|
圆钢直径d
方钢边长a mm
|
理论重量 kg/m
|
圆钢直径d
方钢边长a mm
|
理论重量kg/m
|
||
|
圆钢
|
方钢
|
圆钢
|
方钢
|
||
|
5.5
|
0.186
|
0.237
|
13
|
1.04
|
1.33
|
|
6
|
0.222
|
0.283
|
14
|
1.21
|
1.54
|
|
6.5
|
0.260
|
0.332
|
15
|
1.39
|
1.77
|
|
7
|
0.302
|
0.385
|
16
|
1.58
|
2.01
|
|
8
|
0.395
|
0.502
|
17
|
1.78
|
2.27
|
|
9
|
0.499
|
0.636
|
18
|
2.00
|
2.54
|
|
10
|
0.617
|
0.785
|
19
|
2.23
|
2.83
|
|
* 11
|
0.746
|
0.950
|
20
|
2.47
|
3.14
|
|
12
|
0.888
|
1.13
|
21
|
2.72
|
3.46
|
|
22
|
2.98
|
3.80
|
63
|
24.5
|
31.2
|
|
* 23
|
3.26
|
4.15
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* 65
|
26.0
|
33.2
|
|
24
|
3.55
|
4.52
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* 68
|
28.5
|
36.3
|
|
25
|
3.85
|
4.91
|
70
|
30.2
|
38.5
|
|
26
|
4.17
|
5.31
|
75
|
34.7
|
44.2
|
|
* 27
|
4.49
|
5.72
|
80
|
39.5
|
50.2
|
|
28
|
4.83
|
6.15
|
85
|
44.5
|
56.7
|
|
* 29
|
5.18
|
6.60
|
90
|
49.9
|
63.6
|
|
30
|
5.55
|
7.06
|
95
|
55.6
|
70.8
|
|
* 31
|
5.92
|
7.54
|
100
|
61.7
|
78.5
|
|
32
|
6.31
|
8.04
|
105
|
68.0
|
86.5
|
|
* 33
|
6.71
|
8.55
|
110
|
74.6
|
95.0
|
|
34
|
7.13
|
9.07
|
115
|
81.5
|
104
|
|
* 35
|
7.55
|
9.62
|
120
|
88.8
|
113
|
|
36
|
7.99
|
10.2
|
125
|
96.3
|
123
|
|
38
|
8.90
|
11.3
|
130
|
104
|
133
|
|
40
|
9.86
|
12.6
|
140
|
121
|
154
|
|
42
|
10.9
|
13.8
|
150
|
139
|
177
|
|
45
|
12.5
|
15.9
|
160
|
158
|
201
|
|
48
|
14.2
|
18.1
|
170
|
178
|
227
|
|
50
|
15.4
|
19.6
|
180
|
200
|
254
|
|
53
|
17.3
|
22.0
|
190
|
223
|
283
|
|
* 55
|
18.6
|
23.7
|
200
|
247
|
314
|
|
56
|
19.3
|
24.6
|
220
|
298
|
|
|
* 58
|
20.7
|
26.4
|
250
|
385
|
|
|
60
|
22.2
|
28.3
|
